Seiko Cal. 6690 - 485

The Seiko 6690-485 represents an important milestone in Seiko's 1991 lineup. Powered by the 6690 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-137e5e8e57d8]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1991

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